Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 297
PIB_WR_THRESHOLD
0xE001002C
10.6.10 PIB_WR_THRESHOLD
Write Threshold Register
This register specifies the write buffer free event threshold; the CPU writes a 16-bit value that is visible using the PP_WR_-
THRESHOLD register. When AP writes the PP_WR_THRESHOLD register, the PIB_WR_THRESHOLD register is updated
with the WR_THRESHOLD interrupt.
15:0 VALUE16[15:0] The CPU writes to this field during initialization. The value written to this register is made available by
hardware in PP_WR_THRESHOLD register. When AP writes to the PP_WR_THRESHOLD register
this register is updated with the new value and WR_THRESHOLD interrupt is provided.
PIB_WR_THRESHOLD Write Threshold Register 0xE001002C
b31 b30 b29 b28 b27 b26 b25 b24
PIB_WR_THRESHOLD Write Threshold Register
b23 b22 b21 b20 b19 b18 b17 b16
PIB_WR_THRESHOLD Write Threshold Register
b15 b14 b13 b12 b11 b10 b9 b8
VALUE16[15:18]
R/W R/W R/W R/W R/W R/W R/W R/W
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
PIB_WR_THRESHOLD Write Threshold Register
b7 b6 b5 b4 b3 b2 b1 b0
VALUE16[7:0]
R/W R/W R/W R/W R/W R/W R/W R/W
R/W R/W R/W R/W R/W R/W R/W R/W
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English